Superlift Long Arm Kit

2018–2023 Jeep Wrangler Unlimited (JLU)

Part #: K199F

Overview

The Superlift 4-inch JLU Long Arm Kit with Fox 2.0 Shocks is engineered specifically for the Jeep Wrangler Unlimited models from 2018 through 2023. Designed by true off-road enthusiasts, this kit enhances your Jeep’s suspension system to deliver superior articulation, improved ride quality, and increased ground clearance. Whether you’re tackling rugged trails or cruising on the highway, this long arm kit provides a balanced upgrade that maintains excellent on-road manners while significantly boosting off-road capability.

Superlift’s commitment to quality and customer satisfaction ensures that this suspension kit performs better than advertised, offering durability and reliability for years of adventure. This kit is ideal for Jeep owners who demand a suspension system that can handle both everyday driving and serious off-road challenges.

Key Features

The Superlift 4-inch JLU Long Arm Kit with Fox 2.0 Shocks combines advanced suspension technology with rugged construction to deliver a comprehensive upgrade. Key features include:

• 4-inch suspension lift for enhanced ground clearance and aggressive stance
• Long arm design for improved suspension geometry and articulation
• High-performance Fox 2.0 shocks engineered for superior damping and control
• Durable, heavy-duty components built to withstand harsh off-road conditions
• Precision-engineered to maintain proper alignment and handling characteristics
• Designed to work seamlessly with factory and aftermarket Jeep components
• Improved ride quality both on and off the road
• Comprehensive kit includes all necessary hardware for installation

Construction & Design

Superlift’s long arm kit is crafted from premium-grade steel and engineered for maximum strength and durability. Each component undergoes rigorous testing to ensure it meets the demands of off-road use while maintaining on-road comfort. The long arms are designed to optimize suspension geometry, reducing stress on ball joints and other critical components. The Fox 2.0 shocks feature advanced internal valving and high-quality materials to provide consistent damping performance over a wide range of terrain and driving conditions.

Every part is finished with corrosion-resistant coatings to protect against the elements and extend the life of your suspension upgrade. This attention to detail ensures that your Jeep’s suspension remains reliable and functional through years of use.

Installation & Fitment

The Superlift 4-inch JLU Long Arm Kit is designed for a direct fit on 2018–2023 Jeep Wrangler Unlimited (JLU) models. Installation requires moderate mechanical skill and common automotive tools. The kit includes all necessary hardware and detailed instructions to facilitate a straightforward installation process. While some alignment adjustments are necessary after installation, no major modifications to the vehicle’s frame or body are required.

For best results, professional installation is recommended, especially for those unfamiliar with suspension work. Superlift’s knowledgeable tech support is available to assist with any questions during the installation process.

What's Included

• Front and rear long arms engineered for JLU Wrangler Unlimited
• Fox 2.0 high-performance shocks
• All mounting hardware and brackets
• Detailed installation instructions

Ideal For

This long arm kit is perfect for Jeep Wrangler Unlimited owners seeking a reliable suspension upgrade that balances off-road capability with on-road comfort. It is ideal for enthusiasts who enjoy trail riding, rock crawling, and overlanding, as well as those who want a more aggressive stance and improved handling without sacrificing daily drivability.